Planets symbols have been long present in human history. They are mostly known for people who are interested in astronomy. Each planet has its name and alt code symbol. Venus symbol is also used as a symbol for female, and it also represents the old goddess venus and chemical sign for copper.
Earth symbol, although it doesn't refer to any of the old Olympic gods; It has other meanings, like the four main compass points and Globus Cruciger. Mars symbol also refers to the Roman god of war. Jupiter symbol. Saturn symbol which refers to the Roman god of agriculture. And also other planets like Uranus, Neptune, Pluto symbol and Ceres.